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CV AI Model Development Practice

Evaluation Card Component
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Install

>transformers
>datasets
>timm
>accelerate
>evaluate
>pillow
Import torch
from transformers
import
>TrainingArguments
>Trainer
>AutoModelForImageClassification
>AutoImageProcessor
Import evaluate

from datasets import load_dataset

dataset = load_dataset(“imagefolder”, data_dir=”/content/guitars”)

dataset = dataset[“train”].train_test_split(test_size=0.2, seed=42, stratify_by_column=”label”)

temp = dataset[“test”].train_test_split(test_size=0.5, seed=42, stratify_by_column=”label”)

from datasets import DatasetDict
dataset = DatasetDict({
“train”: dataset[“train”],
“validation”: temp[“train”],
“test”: temp[“test”]
})

print(dataset)

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Load Model + Processor

from transformers
import
> AutoImageProcessor
> AutoModelForImageClassification

Choose pretrained model

# Choose your pretrained model checkpoint
model_checkpoint = “google/vit-base-patch16-224”

# Build label mappings from your dataset
labels = dataset[“train”].features[“label”].names
label2id = {label: str(i) for i, label in enumerate(labels)}
id2label = {str(i): label for i, label in enumerate(labels)}

# Load the image processor (handles resizing/normalizing to match the model)
image_processor = AutoImageProcessor.from_pretrained(model_checkpoint)

# Load the pretrained model, replacing its head for your number of classes
model = AutoModelForImageClassification.from_pretrained(
model_checkpoint,
num_labels=len(labels),
id2label=id2label,
label2id=label2id,
ignore_mismatched_sizes=True # needed since the classification head size changes
)
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Third

from library
import
> component
> component

component()

component
component
component
component
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Fourth

from library
import
> component
> component

component()

component
component
component
component


Next need to add the imports

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